tableau入门_4_标签自由选择的实现 Conditional Data Labels

tableau入门_4_如何对tableau Conditional Data Labels标签自由选择的实现
http://arunethan.com/?p=620
##1. 创建计算字段
IF SUM([Sales])> 100000 THEN
SUM([Sales])
ELSE null END
##2. 直接删除
Tip: You can show or hide the labels for individual marks. To hide a specific data label, right-click the mark and select Mark Label > Never Show.
##3. 级别lod表达式
https://www.tableau.com/zh-cn/learn/whitepapers/understanding-lod-expressions?ref=wc&signin=9e5e9e6d7365f2b830df397444aa886f®-delay=TRUE
https://www.tableau.com/zh-cn/about/blog/LOD-expressions
##4.参数Parameters
IF INDEX()<=[Bottom Y] THEN SUM([Sales]) END
https://onlinehelp.tableau.com/current/pro/desktop/zh-cn/help.htm#parameters_create.html?Highlight=%E5%8F%82%E6%95%B0